Ford Mustang (1999-2004) Service Manual: Transmission Description (Description and Operation)
The 4R70W has the following features:
- Wide ratio gears
- Four speeds
- Rear wheel drive
- Automatic
- Electronic shift
- Torque converter clutch control
- Line pressure controls
The transmission uses Ravigneaux-style double-pinion gearset with two bands, one one-way roller clutch, one mechanical diode and four friction clutches to produce four forward gears and Reverse.
4R70W Automatic Transmission

Automatic Transaxle/Transmission
General Specifications
a - MERCON V is not interchangeable at this time with the current MERCON
fluids. Check the
transmission fluid level indicator to determine the correct fluid and refer to
the ...
Identification Tags
All vehicles are equipped with a Vehicle Certification Label, located
on the driver side door lock post.
For correct transmission identification, refer to the code in the space
marked TR.
...
Other materials:
Wheel Hub or Axle Flange Face Runout
NOTE: If the axle shaft assembly is removed, check runout of the shaft
itself. The forged (unmachined)
part of the shaft is allowed to have as much as 3.0 mm (0.120 inch) runout. This
alone will not cause a
vibration condition.
1. Position the special tool ...
Exhaust System (Description and Operation)
WARNING: The normal operating temperature of the exhaust system is very
high. Never
attempt to repair any part of the system until it has cooled. Be especially
careful when working
around the three way catalytic converter. The temperature of the three way
c ...
Safety Belt Tongue Rotated on Belt
1. Grasp the belt tongue and pull the belt webbing down to form a loop
through the upper (longer
and narrower) slot in the tongue.
2. Rotate and fold the belt webbing over itself within the slot to remove the
twist.
3. Pull the excess belt webbing back th ...
